layer.hpp

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#ifndef LAYER_HPP
#define LAYER_HPP
 
#include "debug.hpp"
#include "vector.hpp"
#include "shape.hpp"
#include <cmath>
 
namespace Layer{
  class Layer{
  public:
    string name;
 
    size_t n;
 
    size_t m;
 
    Vector x;
 
    Vector y;
 
    Vector d;
 
    Layer(size_t n,size_t m);
 
    ~Layer();
 
    size_t get_input_size() const;
 
    size_t get_output_size() const;
 
    Vector get_output() const;
 
    virtual Vector feed_forward(Vector x)=0;
 
    virtual void init_nabla()=0;
 
    virtual Vector back_propagation(Vector e)=0;
 
    virtual void update(Real eta)=0;
  };
 
  inline
  Layer::Layer(size_t n_,size_t m_){
    n=n_;
    m=m_;
    y=init_vector(m);
    d=init_vector(n);
  }
 
  inline
  Layer::~Layer(){
    delete_vector(y);
    delete_vector(d);
  }
 
  inline size_t
  Layer::get_input_size() const{
    return n;
  }
 
  inline size_t
  Layer::get_output_size() const{
    return m;
  }
 
  inline Vector
  Layer::get_output() const{
    return y;
  }
}
 
#endif